C1 R2 R2 C2 Rh Uth R3 R3 Vth = UI R + R3 R¡R3 Rh R1 + R3 %! (b) Figure 12.9 (a) Band-pass filter using inverting op amp configuration; (b) simplified band-pass filter circuit.
C1 R2 R2 C2 Rh Uth R3 R3 Vth = UI R + R3 R¡R3 Rh R1 + R3 %! (b) Figure 12.9 (a) Band-pass filter using inverting op amp configuration; (b) simplified band-pass filter circuit.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter11: Thermostats, Pressure Switches, And Other Electric Control Devices
Section: Chapter Questions
Problem 23RQ
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(a) Calculate fo, Q, and the bandwidth for the band-pass filter as shown if Rth = 1 kΩ, R2 = 200 kΩ, and C1 = C2 = 220 pF. (b) Use magnitude scaling to change the element values so that Rth = 3.3 kΩ. (c) Use frequency scaling to
double fo for the filter in part (a).
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